Our key tasks

We are primarily tasked with providing power transmission services, system services and facilitating the energy market. Our core tasks follow from our appointment as grid operator under the Dutch 'Elektriciteitswet' (E-wet) and the German 'Energiewirtschaftsgesetz' (EnWG).

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TenneT presents Hub and Spoke concept for large scale wind energy on the North Sea.

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Our grid

TenneT manages the high-voltage grid in the Netherlands and large parts of Germany. TenneT transmits electricity at 110,000 volts (110 kV) and higher. With around 23,500 kilometres of high-voltage lines, we cross borders and connect countries.

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Grid maps

Maps of our onshore and offshore high-voltage grid.

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Electricity market

The energy sector is developing rapidly. The process of European market integration began some years ago. Its purpose is to create a single European market that enables market parties to trade gas and electricity across national borders easily and efficiently.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

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Our vision is to be one of the most transparent Transmission System Operators (TSO) in Europe and thereby creating value for society. In this Energy Insights section we present selected energy related topics and show data, information and valuable insights. 



Facts & figures related to TenneT facilitating the market can be found here.

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TenneT is a leading European electricity transmission system operator (TSO), with activities in the Netherlands and in Germany. We strive to ensure a reliable and uninterrupted supply of electricity in our high-voltage grid for some 42 million people.

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We are TenneT

Meet us


All press releases and updates.

NordLink – the "green cable" – between Germany and Norway is now fully in operation

12/04/21 08:59:33 News Project Interconnector

Transmission system operators TenneT and Statnett take over the high-voltage direct current system for exchanging German wind energy with Norwegian hydropower / Successful completion of the trial…

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TenneT continues strongly on strategic growth path

12/03/21 07:30:00 News

Investment of EUR 3.4 billion in European energy transition and system resilience in 2020; strong operational performance with grid availability of 99.9999%. Solid financial performance in 2020 with…

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CrossWind and TenneT sign agreements for offshore grid connection

04/03/21 09:06:01 Project

TSO TenneT and wind farm developer CrossWind, a consortium of Shell and Eneco, have signed agreements for the construction of the offshore grid connection for the Hollandse Kust (noord) wind farm,…

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CFO Otto Jager to end his tenure at TenneT in the second half of 2021

05/02/21 07:30:00

After almost eight years of full dedication on the job, CFO Otto Jager has decided not to seek another four-year term as member of the Executive Board of TenneT Holding B.V. Jager started his…

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More Flexibility for the Electricity Grid: Austrian Power Grid (APG) Joins European Crowd Balancing Platform EQUIGY

01/02/21 12:35:25 News Innovation

The digital “crowd balancing platform” EQUIGY helps to manage the energy transition and makes it easier for new and small players to participate in markets for grid balancing and the redispatch…

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The North Sea is becoming the powerhouse of Northwest Europe – Offshore wind energy as a central lever for the energy transition

20/01/21 08:35:13 News Offshore Project

TenneT increases transmission capacity to more than 26,000 megawatts in the German and Dutch North Sea by 2030 / 2020 North Sea "wind harvest" exceeds previous year by more than twelve percent …

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